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Sage Therapeutics Inc is a clinical-stage biopharmaceutical company focused on brain health medicines. The company is targeting diseases and disorders of the brain with three key focus areas: depression, neurology and neuropsychiatry; also targeting two critical central nervous system, or CNS, receptor systems, GABA and NMDA. Its products ZURZUVAE is a medicine for the treatment of postpartum depression, or PPD, in adults, and ZULRESSO is a CIV injection for the treatment of postpartum depression in individuals 15 years old and older. It also has other drugs in its pipeline such as SAGE-324, Dalzanemdor (SAGE-718) among others.
Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.